Wall Street's hacks and habits to stay on top of their game

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• Wall Street's top performers are hard workers who tend to work long, intense hours.
• Business Insider asked its 2024 class of Wall Street stars about how they stay mentally sharp.
• Here's how finance professionals are unwinding and staying grounded.

Call it superstitious, but Mark Zhu, a 34-year-old managing director at Blackstone, likes to start every day the same way. He has two Trader Joe's yogurt cups, one banana-flavored and one blueberry-flavored...